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Keywords from Image Description:
Fauna der Gaskohle und der Kalksteine der Permformation Bhmens Taf. . en Isojulus marginatus Isojulus constans Fig Pleurojulus longipes Isojulus constans Fig Pleurojulus pinguis Pleurojulus levis Fig Pleurojulus falcifer Isojulus constans Fig Xylobius sellatus Xyloiulus sellatus Fig cite book Fauna der Gaskohle und der Kalksteine